No, this isn't the work of some gigantic bird. The living <a href="http://inhabitat.com/art/">art</a> you see before you was actually done by man - more specifically, artist and branchbender extraordinaire <a href="http://www.stickwork.net/">Patrick Dougherty</a>. Crafting human-sized <a href="http://inhabitat.com/grow-your-own-treehouse/">nest houses</a> made by actually <a href="http://inhabitat.com/video-grow-a-living-treehouse-with-terreform/">weaving growing trees into the shapes of houses</a>, cocoons, pagodas, huts, giant water pitchers and even people, Dougherty has traveled the world with his truly extraordinary sculptures. Click through our photo gallery for images of some of his coolest work.

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Patrick Dougherty Living Tree Houses

This one, dubbed "Call of the Wild" has a surrealist feeling to it. Kinda makes you thirsty, no?

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Patrick Dougherty Living Tree Houses

Who says living art has to reside outside? This one, called "Crossing Over" made its home inside the American Craft Museum.

Dougherty's pieces almost look animated. Doesn't this one remind you of a group of kids trying to get into a window?

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Patrick Dougherty Living Tree Houses

This installation entitled "Trailheads" at the North Carolina Museum of Art, Raleigh, NC would be an ideal playhouse for a group of kids (or adults for that matter!)

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Patrick Dougherty Living Tree Houses

Dougherty doesn't limit his subject matter to dwellings. This one, called Nine Lives, is a study of the human form

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Patrick Dougherty Living Tree Houses

Like a quaint hobbit home, this twiggy residence sprung up at the Santa Barbara Botanic Garden in 2005.

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Patrick Dougherty Living Tree Houses

See the guy standing in the doorway? It really gives you a sense of how big these installations actually are.

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Patrick Dougherty Living Tree Houses

<a href="http://www.stickwork.net/">Mr. Dougherty</a>, who is now in his 60s, has a portfolio of over 200 amazing pieces from houses that look like a grove of trees to large pavilions that seem to have been built by a beaver. We call it art, but he calls it "stickwork....<br><br><a href='http://inhabitat.com/patrick-doughertys-mind-blowing-nest-houses-made-of-living-trees/'>READ ARTICLE</a>

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Patrick Dougherty Living Tree Houses

Reminiscent of Russian architecture, this dome-topped installation looks great against a snowy background.

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Patrick Dougherty Living Tree Houses

Some of Dougherty's works are composed of simple forms - not this one! Imagine how much time and effort went into those arches!

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Patrick Dougherty Living Tree Houses

Not all of Dougherty's works reside on the ground. This one, called Cell Division, proves that his art is just as effective on the side of a building.

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Patrick Dougherty Living Tree Houses

No, this isn't the work of some gigantic bird. The living art you see before you was actually done by man - more specifically, artist and branchbender extraordinaire Patrick Dougherty. Crafting human-sized nest houses made by actually weaving growing trees into the shapes of houses, cocoons, pagodas, huts, giant water pitchers and even people, Dougherty has traveled the world with his truly extraordinary sculptures. Click through our photo gallery for images of some of his coolest work.